[docs] Update documentation for features from 2026-06-19

[github-actions]

Summary

Documentation-only fixes addressing onboarding feedback. No code changes; no breaking changes.

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Changes by file

docs/src/content/docs/index.mdx

• Punctuation fix: Replaced a hyphen with an em dash in the hero tagline for correct typographic punctuation.

docs/src/content/docs/setup/quick-start.mdx

• Clarity fix: Expanded the bare abbreviation PAT to Personal Access Token (PAT) in the setup note so first-time readers understand the term without prior context.
• New guidance: Added a paragraph explaining how to watch a running workflow — both from the browser and via the CLI — and what to expect when it succeeds or fails. Fills a gap that onboarding users repeatedly hit.

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Impact

Dimension	Assessment
Breaking change	No
Runtime behaviour	Unchanged
Docs only	Yes
Affected audiences	New users following the quick-start guide

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Linked commits

SHA	Message
785a2be47	docs: address three onboarding feedback issues

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